1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// JPEG Video (RFC 2435) RTP Sources
19// C++ header
20
21#ifndef _JPEG_VIDEO_RTP_SOURCE_HH
22#define _JPEG_VIDEO_RTP_SOURCE_HH
23
24#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
25#include "MultiFramedRTPSource.hh"
26#endif
27
28#define MAX_JPEG_HEADER_SIZE 1024
29
30class JPEGVideoRTPSource: public MultiFramedRTPSource {
31public:
32 static JPEGVideoRTPSource*
33 createNew(UsageEnvironment& env, Groupsock* RTPgs,
34 unsigned char rtpPayloadFormat = 26,
35 unsigned rtpPayloadFrequency = 90000,
36 unsigned defaultWidth = 0, unsigned defaultHeight = 0);
37
38protected:
39 virtual ~JPEGVideoRTPSource();
40
41private:
42 JPEGVideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
43 unsigned char rtpPayloadFormat,
44 unsigned rtpTimestampFrequency,
45 unsigned defaultWidth, unsigned defaultHeight);
46 // called only by createNew()
47
48 // Image dimensions from the SDP description, if any
49 unsigned fDefaultWidth, fDefaultHeight;
50
51private:
52 // redefined virtual functions:
53 virtual Boolean processSpecialHeader(BufferedPacket* packet,
54 unsigned& resultSpecialHeaderSize);
55
56 virtual char const* MIMEtype() const;
57};
58
59#endif
60